The closed boat has open working stern cabin and roomy cockpit with eight singledamper seats.
全蓬设有工作型的露天艉舱以及可容纳八张单人减震椅的宽敞驾驶室。
2
The equivalent viscous damping ratio and the equivalent natural frequency are obtained by comparing the system with a purely linear, spring-mass-damper system of single freedom.
通过和单自由度线性弹簧-质量-阻尼系统进行比较，得到该带裂缝梁结构的等效自然频率和等效粘滞阻尼比。
3
The mechanism of wind vibration control of single tube cone steel towers using tuned spring mass damper (called TSD) has been studied.